ZyXEL Communications P-324 User's Guide download pdf (Page 176)

P-2602HWNLI User’s Guide

176 Chapter 11 Voice

DTMF Mode Control how the ZyXEL Device handles the tones that your telephone makes when

you push its buttons. You should use the same mode your VoIP service provider

uses.

RFC 2833 - send the DTMF tones in RTP packets

PCM - send the DTMF tones in the voice data stream. This method works best

when you are using a codec that does not use compression (like G.711). Codecs

that use compression (like G.729) can distort the tones.

SIP INFO - send the DTMF tones in SIP messages

MWI (Message

Waiting Indication)

Enable Select this if you want to hear a waiting (beeping) dial tone on your phone when

you have at least one voice message. Your VoIP service provider must support this

feature.

Expiration Time Keep the default value, unless your VoIP service provider tells you to change it.

Enter the number of seconds the SIP server should provide the message waiting

service each time the ZyXEL Device subscribes to the service. Before this time

passes, the ZyXEL Device automatically subscribes again.

Fax Option This field controls how the ZyXEL Device handles fax messages.

G.711 Fax

Passthrough

Select this if the ZyXEL Device should use G.711 to send fax messages. The peer

devices must also use G.711.

T.38 Fax Relay Select this if the ZyXEL Device should send fax messages as UDP or TCP/IP

packets through IP networks. This provides better quality, but it may have inter-

operability problems. The peer devices must also use T.38.

Call Forward

Call Forward Table Select which call forwarding table you want the ZyXEL Device to use for incoming

calls. You set up these tables in VoIP > Phone Book > Incoming Call Policy.

Caller Ringing

Enable Select the check box if you want to specify what tone people hear when they call

you. The ZyXEL Device provides a default tone, but you can add additional tones

using IVR. See Section 11.8 on page 172 for more information.

Caller Ringing

Tone

Select the tone you want people to hear when they call you. You should setup

these tones using IVR first. See Section 11.8 on page 172 for more information.

On Hold

Enable Select the check box if you want to specify what tone people hear when you put

them on hold. The ZyXEL Device provides a default tone, but you can add

additional tones using IVR. See Section 11.8 on page 172 for more information.

On Hold Tone Select the tone you want people to hear when you put them on hold. You should

setup these tones using IVR first. See Section 11.8 on page 172 for more

information.

Back Click this to return to the SIP Settings screen without saving your changes.

Apply

Click this to save your changes and to apply them to the ZyXEL Device.

Cancel Click this to set every field in this screen to its last-saved value.

Table 59 VoIP > SIP Settings > Advanced

LABEL DESCRIPTION

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